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ji xin cheng yi bing du hb92 zhu sheng wu xue te xing yan jiu ( ) zui xiao mian yi ji liang ji mian yi qi shi yan
Author(s): 
Pages: 11-12
Year: Issue:  3
Journal: Hubei Journal of Animal and Veterinary Sciences

Keyword:  NDVHB92株免疫剂量免疫期;
Abstract: 用NDVHB92株疫苗免疫不同品种鸡,测定其最小免疫剂量和免疫持续期,结果表明,该毒株的最小免疫剂量为105EID50,一次滴鼻,饮水的免疫期至少为6个月。在湖北省推广应用近1800万羽份,安全有效,未发生新城疫疫情。
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